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I'm at OpenAI's DevDay event in San Francisco today - as I have for the past three DevDay events, I'm running a live blog where I'll be posting updates during the keynote, which starts in five minutes simonwillison.net/2026/Sep/29/...

simonwillison.netOpenAI DevDay 2026 live blogI’m at OpenAI DevDay today, in Fort Mason, San Francisco. Same as last year I’ll be live blogging the keynote and some other notes during the day. OpenAI gave me …

29/9/26, 4:54 pm12 reposts95 likes

Anita Lettink

@anita.bsky.social

“Sam is dashing through a section about enterprise privacy features.” in under a minute 👀 Thanks for the blog!

Richard Clark

@phirate.bsky.social

Thanks for the thread I came in a bit late and missed some of the early stuff. Wasn’t expecting ultrafast for Astra specifically that’s interesting. $500 tho oof

Alex Carter

@scoutedai.bsky.social

The Dots part is what I'm still chewing on. An agent across your apps is a workflow bet, not a model bet - setup and permissions are the actual product.

jack

@j4ck.xyz

👀

Emma Wilson | AI for indie makers

@emmawilson-ai.bsky.social

five minutes to go and i'm already curious what the shiny bits will cost to run